Excitation device
OwnerZhongguo Liang, Shidi Liang +2inventors
InventorsZhongguo Liang, Shidi Liang, Xu Luan, Xinyi Dong
Life of this patent
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Abstract
Disclosed is an excitation device which includes a brush holder base. The brush holder base is provided with a plug. The plug is provided with a brush holder shaft. The front end of the brush holder shaft is provided with a brush box. A horizontal taper dovetail groove is formed in the brush holder base. A horizontal taper dovetail lug boss is disposed on the plug. The dovetail groove is matched with the dovetail lug boss. The present invention solves the problem of potential safety hazard in locking, and ensures safe and smooth operation of a unit.
Claims7
An excitation device, comprising a brush holder base, wherein the brush holder base is provided with a plug;
- the plug is provided with a brush holder shaft;
- the front end of the brush holder shaft is provided with a brush box;
- a horizontal taper dovetail groove is formed in the brush holder base;
- a horizontal taper dovetail lug boss is disposed on the plug;
- the horizontal taper dovetail groove is matched with the horizontal taper dovetail lug boss;
- a leaf spring brush locking press plate is disposed on the front end of the brush holder shaft;
- the brush holder shaft is provided with a roller shaft mechanism which contacts with the leaf spring brush locking press plate;
- the leaf spring brush locking press plate comprises an upper press plate and a lower press plate;
- a press head is disposed on the front end of the upper press plate;
- the lower press plate and the upper press plate are assembled and connected through copper rivets;
- the roller shaft mechanism comprises a roller shaft rod installed on the brush holder shaft;
- a roller is disposed on the roller shaft rod;
- the roller contacts with a bottom surface of the lower press plate;
- and the roller shaft rod is connected with the brush holder shaft through a roller nut.
Dependencies are inferred from the claim text.